Holy candles are supposed to be over 50% beeswax, if I remember correctly. If you find some that are, and get them blessed by a traditional priest, then you're good. You can get them even from places that sell "novus" stuff, such as Leaflet Missal.
Most of the better Catholic goods stores sell both kinds of everything, both the "trad" and the "novus". So they'll supply gold chalices, for instance, and wooden ones. We just get the good stuff, and leave the bad stuff behind.
:wink: